Question: What position did Cuauhtémoc Cárdenas Solórzano hold in September 1976?
Paraphrase: In September 1976, which position was held by Cuauhtémoc Cárdenas Solórzano?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q922837 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1976')) }